<template>
  <!-- <div>
    home page
    <el-button type="info" @click="onExitClicked">退出</el-button>
  </div>-->
  <el-container class="home-container">
    <el-header>
      <div>
        <img src="../assets/heima.png" alt />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="onExitClicked">退出</el-button>
    </el-header>
    <el-container>
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="onToggleClicked">|||</div>
        <el-menu
          unique-opened
          router
          :collapse="isCollapse"
          :collapse-transition="false"
          :default-active="defaultActive"
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409bef"
        >
          <el-submenu :index="it.id + ''" v-for="it in menulist" :key="it.id">
            <template slot="title">
              <i :class="iconObj[it.id]"></i>
              <span>{{it.authName}}</span>
            </template>
            <el-menu-item
              :index="'/' + item.path"
              v-for="item in it.children"
              :key="item.id"
              @click="onItemClicked('/' + item.path)"
            >
              <template slot="title">
                <i class="el-icon-menu"></i>
                <span>{{item.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data() {
    return {
      menulist: [],
      iconObj: {
        '125': 'iconfont icon-users',
        '103': 'iconfont icon-tijikongjian',
        '101': 'iconfont icon-shangpin',
        '102': 'iconfont icon-danju',
        '145': 'iconfont icon-baobiao'
      },
      isCollapse: false,
      defaultActive: ''
    }
  },
  created() {
    this.getMenuList()
    this.defaultActive = window.sessionStorage.getItem('activePath')
  },
  methods: {
    onExitClicked() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    onToggleClicked() {
      this.isCollapse = !this.isCollapse
    },
    async getMenuList() {
      const { data: res } = await this.$http.get('menus')
      if (res.meta.status !== 200) {
        return this.$msg.error('' + res.meta.status + res.meta.msg)
      }
      this.menulist = res.data
      // console.log(res)
    },
    onItemClicked(path) {
      this.defaultActive = path
      window.sessionStorage.setItem('activePath', path)
    }
  }
}
</script>

<style lang="less" scoped>
.home-container {
  height: 100%;
}

.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  font-size: 20px;
  padding-left: 0;

  > div {
    display: flex;
    align-items: center;

    span {
      margin-left: 15px;
    }
  }
}

.el-aside {
  background-color: #333744;

  .el-menu {
    border-right: none;
  }
}

.el-main {
  background-color: #eaedf1;
}

.iconfont {
  margin-right: 10px;
}

.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>
